Tata Nexon EV : Run on the Sun | Solar EV Charging at Apartments

Here is a question for all of you to ponder. Can you live in an apartment and… …Generate enough clean green solar energy
to … … charge these electric vehicles using clean
electrons? The answer is yes but there is a catch! I’m here in Pune at Scorpio apartments by
Oricon developers who have created this fantastic solar powered apartments. Here, every apartment owner gets 100 units
of clean electricity each month and every parking area has an EV charge point installed. You should watch our video where we highlight
all the environment friendly features offered by this society. Think to which is in the description. And today we again meet Mr Rahul Rajan, whom
you may remember from our previous video about this very green building. He is a proud owner of this Tata Nexon EV. He is also a partner at Oricon developers
and founder of ProtoStar, a startup focusing on micro distribution of solar power. So what better person to talk about Electric
Cars and Solar Power. You are an owner of this Tata Nexon EV and
you designed this green platinum rated building.

You are one of the few people in this world
who lives in a sustainable manner and also shows other people that it’s possible to
do so today, which is pretty amazing. Tell us first, how has the response been to
these solar powered apartments? Its great to be back with PluginIndia! Its always a pleasure to meet you guys and
you guys do amazing work! Response for the green building has been very
good. The amount of people who have come here and
appreciated what we have done is tremendous. Even if customers dont fit it in the budget,
they are trying the best to find a project which is similar to this.

They feel this is the way of the future. And Rahul, how is your brand new Nexon EV
doing? How are you enjoying driving it? I'm in love with the car as the car is exactly
what I pictured it to be. When Tata announced that the car would do
312 km, I was skeptical. This gives me a real world range of 200-220
depending on how I drive. I have done multiple Mumbai-Pune trips. I have done twice Matheran. I have done a good amount of driving and am
extremely happy. So Rajan, you live in a bungalow and it’s
very easy to set up solar power in an independent house compared to an apartment. We know that the Nexon EV consumes 30 units
of electricity. How many units of electricity does your solar
power system generate? Can you confidently say that your Nexon EV
runs on the Sun? My bungalow has a 10 kW system and it generates
1200 units in sunny months. My home completely is on solar and so are
my cars. Whenever I speak to people, I tell them, my
car runs purely on sunlight! I'm very proud of it whenever I move forward
its pure sunlight that is transporting me, which is insane! So following up on that question, if someone
else was to install a solar power system at their bungalow or an individual house, what
is the smallest solar power system that they would need to charge the Nexon EV completely
with Solar power? If we consider 1000 km running in a month,
and if we consider 200 km range, that comes to 5 full charges – that is 150 units needed
by Nexon EV.

So you can use a 1.5 kW solar system should
be enough. But hat will charge only the car, if you want
solar for home, it's over and above. That sounds pretty good 1-1.5 kW, that does
not sound too costly. What do you think such a system would cost? I think it can cost anywhere between Rs 90,000
to Rs 1.5 Lakh. It depends on system, panels, inverters etc.

So this is a solar powered apartment created
by Rahul’s company. This is a 41.28 kW solar power system that
generates a whopping 4950 units of electricity on sunny months. Rahul, Assuming an owner of this apartment
buys a Nexon EV and drives 1200 km per month, what percentage of electricity used by the
Nexon EV could be considered as solar powered? So we are providing 100 units free to every
apartment per month. Assuming 1200 km per month, the math works
out to 180 units per month. Assuming the car can travel 200 km per charge
on a 30 kWh battery. That comes to 180 units. As we are giving 100 units to each apartment
that is 55-60% of power will be pure Solar So Rahul, next question
If buildings want to install a 100 kW solar setup. What do you think the ROI would be? How many years would it take for ROI? It depends on the cost of the electricity. If the slab is expensive, then
the ROI will be better. Thumb rule is around 5 years. Based on the feedback we have got, many societies
question the investment involved for a solar power system.

Would you recommend to install the solar system? I would always recommend to install a solar
setup. If sunlight is falling on your roof, why dont
u use it? And solar is something that will not only
reduce your carbon footprint and also save you money. People buy chandelier, latest phones or marble
flooring. They dont ask ROI for that. This system will save u money and also will
reduce the heat of your building. There are multiple benefits, not just monetary
and this system is designed to work for 25 years. Even if ROI is 6-7 years, you still have so
much time to get monetary benefit.

A lot of societies shy away from solar due
to Capital expenditure. Solar is not cheap. Capex model is where society spends money
and generate system. If societies have money, it turns out cheaper
in long run. In an Opex model, the solar installer, installs
the system on their cost and there is an MOU of 10 years and you have to pay every month
based on electricity generated. Its in the sweet spot between. The societies which have cash crunch can still
go Solar. We are standing outside this building, this
is a very quiet area and that has made be a bit thoughtful. I'm thinking of year 2030 and in this magical
future all the pollution cars are out of road and every one uses an EV. In this building all 24 apartment units have
EVs with varying battery sizes. And in this Utopia, do you think the solar
power system would provide enough power to all vehicles. The system I have here can generate 5000 units. A chunk of that goes to power my common usage
– the lift, common lights, heat pump etc. Also we are giving 2400 units to every apartment. In this utopian future, I'm looking forward
to.

We can take an average battery capacity to
be 20 kWh for each car. There are 24 apartments. The total capacity is 480 kWh. If we have too charge them 8 times. It comes upto 3840 units to large all cars. 2400 units is solar given to all apartments. So 65% of electricity can be from solar for
all electric cars. This is a smaller apartment unit which has
24 units.

There are buildings with 100+ units, the roof
can just not have enough space to accommodate the solar array to power all our electric
cars. What solution would you recommend to that? If you need power, you need to add panels
in open areas, parking, club house etc. There are some technologies that are coming
up, that can be placed in facade of the building. Solar is basically, you need to ensure your
panels never get shade. As long as you have a clear view to the sky,
it's a good place to place panels to generate more power. Every apartment complex generating its own
power will greatly reduce the load on our grid and enable our electric vehicles to run
on clean electrons and save huge amounts of money and CO2 So if you are part of an apartment society,
why don't you consider solar power and run your building and vehicles on clean and green
energy?

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